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faust18 [17]
3 years ago
11

A circle has a diameter of 10 millimeters. What is the area of the circle?

Mathematics
1 answer:
professor190 [17]3 years ago
5 0

Answer:

78.54 millimeters

Step-by-step explanation:

A=πr^2

A= 3.14 times 5 millimeter squared

A=78.54

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7.5 is an answer because it is example of cantral angle bisector of circle

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Five times the sum of a number and 27 is greater than or equal to six times the sum of that num
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Question:

Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26.

What is the solution set of this problem?

Answer:

x \leq -21

Step-by-step explanation:

Given

<em>Represent the number with x</em>

So:

5 * (x + 27) \geq 6 * (x + 26)

Required

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Need help with math question
lyudmila [28]

Answer:

7 18-inch wreaths

26 22-inch wreaths

Step-by-step explanation:

Let's say the number of 18-inch wreaths is x and the number of 22-inch wreaths is y.

We know that the number of 22-inch wreaths sold was 5 more than 3 times the number of 18-inch wreaths sold. We can write this into the expression as:

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Now, let's substitute 5 + 3x in for y in the second equation:

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Plug this value into y = 5 + 3x to find y:

y = 5 + 3x

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So, 7 18-inch wreaths were sold and 26 22-inch wreaths were sold.

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